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Waste Water Engineering

Waste Water Engineering
If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is

5 hours
3 hours
4 hours
2 hours

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Waste Water Engineering
Kjeldahl nitrogen is a mixture of

All listed here
Nitrogen and organic nitrogen
Ammonia and nitrogen
Organic nitrogen and ammonia

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Waste Water Engineering
The sewage treatment units in which anaerobic decomposition of organic matter is used, are called

Imhoff tanks
Sludge sedimentation tanks
None of these
Trickling filters

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Waste Water Engineering
An inverted siphon is designed generally for

One pipe
Four pipes
Two pipes
Three pipes

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Waste Water Engineering
The gas which may cause explosion in sewers, is

Carbon monoxide
Carbondioxide
Methane
Ammonia

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Waste Water Engineering
A drop manhole is provided if

None of these
A branch sewer joins the main sewer at higher level
A lamp is inserted to check obstruction
A sewer drops from a height

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